Michael Thomas
O'Fallon,MO
Summary
Senior Data Engineer with 8+ years of experience designing, building, and optimizing large-scale data platforms and analytics solutions. Experience in modern cloud data architectures, Snowflake, and pipeline automation with a proven record of improving data quality, performance, and business outcomes. Adept at leading cross-functional Initiatives, translating business needs into scalable technical solutions, and delivering high-impact analytics for executive stakeholders.
Overview
9
9
years of professional experience
7
7
years of post-secondary education
1
1
Certification
Work History
Senior Data Engineer
Safety National
St. Louis, MO
11.2024 - Current
- 2025 Evolve Code Wars winner - Developed a custom GPT chatbot that integrates data from multiple sources to provide a centralized data location for the underwriting process
- Own Snowflake account administration including database design, object deployment, role hierarchies (RBAC), and security implementation.
- Design and operate scalable data pipelines using Snowflake Tasks, Streams, and dynamic tables to support analytics and reporting.
- Architect and implement a medallion (bronze/silver/gold) data model to improve data quality, lineage, and reusability.
- Build solutions using SQL, Python, Snowflake, and Git-based workflows.
- Key Achievements - Automated reserving triangle development, reducing validation time by 60%.
- Implemented a Snowflake medallion architecture that standardized data cleansing and reduced redundancy across analytics layers.
Senior/Lead Data Architect
Oracle Health
O'Fallon, MO
05.2022 - 11.2024
- Designed cloud-based data architectures on Oracle Cloud Infrastructure (OCI) to support enterprise analytics and reporting.
- Led migration of BI workloads from Tableau to Oracle Analytics Cloud (OAC), ensuring continuity, performance, and stakeholder adoption.
- Modernized ETL pipelines using Oracle Data Integrator (ODI) and Airflow to improve reliability, scalability, and auditability.
- Built data models and delivered analytical insights for Director- and VP-level stakeholders to drive strategic decision-making.
- Partnered with product, engineering, and business teams to scope projects, define data requirements, and deliver production-ready solutions.
- Technologies: SQL, Python, OCI, OAC, Jenkins, Tableau, CCL, GitHub, Jira, R, Terraform.
- Key Achievements - Automated audit data collection, reducing audit effort by 10% and enabling $2.2M in incremental revenue.
- Tuned complex SQL workloads and introduced Python automation to improve team productivity and system performance.
- Established cross-team data standards and best practices, increasing collaboration and delivery velocity.
Production Software Engineer
Cerner
O'Fallon, MO
07.2020 - 05.2022
- Designed and deployed production enhancements based on client requirements and operational needs.
- Built automated reports and dashboards to streamline troubleshooting and reduce ticket resolution time.
- Tech stack: SQL, CCL, Excel, Tableau.
Senior Technical Solution Analyst
Cerner
O'Fallon, MO
07.2019 - 07.2020
- Developed and implemented technical solutions to address complex data and system issues.
- Led root cause analysis for high-impact Incidents, reducing SLA misses by 50%.
- Mentored team members and introduced automation opportunities through system performance analysis.
Technical Solution Analyst
Cerner
O'Fallon, MO
06.2017 - 06.2019
- Analyzed and resolved complex reporting and data issues using SQL and CCL.
- Delivered detailed root cause analysis and communicated technical findings to business stakeholders.
Education
Ph.D. - Information Technology
University of the Cumberlands
08.2020 - 05.2023
M.S. - Applied Analytics
Saint Louis University
08.2017 - 05.2019
B.S. - Computer Information Systems
Missouri State University
08.2014 - 05.2017
Skills
- Data Engineering & Architecture
- Cloud data warehousing
- Snowflake
- Medallion/lakehouse architectures
- Dimensional modeling
- Data governance
- Security
- Role-based access
- Data Pipelines & Orchestration
- ETL/ELT design
- Automation
- Data quality frameworks
- Programming & DevOps
- Python
- SQL
- GitHub
- Jenkins
- Terraform
- CI/CD
- Analytics & BI
- Tableau
- Performance & Reliability
- Query optimization
- Cost/performance tuning
Certification
- Snowflake SnowPro Core Certified
- Snowflake SnowPro Specialist: Snowpark
- Tableau Certified Desktop Specialist
- Oracle Database SQL Certified Associate
- Snowflake SnowPro Advanced: Architect
- Certified Analytics Professional - Expert
Timeline
Senior Data Engineer
Safety National
11.2024 - Current
Senior/Lead Data Architect
Oracle Health
05.2022 - 11.2024
Ph.D. - Information Technology
University of the Cumberlands
08.2020 - 05.2023
Production Software Engineer
Cerner
07.2020 - 05.2022
Senior Technical Solution Analyst
Cerner
07.2019 - 07.2020
M.S. - Applied Analytics
Saint Louis University
08.2017 - 05.2019
Technical Solution Analyst
Cerner
06.2017 - 06.2019
B.S. - Computer Information Systems
Missouri State University
08.2014 - 05.2017